This location contains the most current Specification Update. The revision number is indicated by the last two digits in its 'pdf' file name. Specification Updates are revised only as changes occur.

If a new revision is created, it will be posted per the following 2008 schedule: January 16, February 13, March 12, April 16, May 14, June 11, July 16, August 13, September 10, October 15, November 12, December 10.